Commit 5224e6cc authored by David S. Miller's avatar David S. Miller
Browse files

[SPARC64]: Dump local cpu registers in sun4v_log_error() 



This makes the debugging information more usable.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 128e6ced

arch/sparc64/kernel/traps.c

+7 −4
Original line number Diff line number Diff line
@@ -1797,7 +1797,9 @@ static const char *sun4v_err_type_to_str(u32 type) 
	};

}



static void sun4v_log_error(struct sun4v_error_entry *ent, int cpu, const char *pfx, atomic_t *ocnt)

extern void __show_regs(struct pt_regs * regs);



static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent, int cpu, const char *pfx, atomic_t *ocnt)

{

	int cnt;
@@ -1830,6 +1832,8 @@ static void sun4v_log_error(struct sun4v_error_entry *ent, int cpu, const char * 
	       pfx,

	       ent->err_raddr, ent->err_size, ent->err_cpu);



	__show_regs(regs);



	if ((cnt = atomic_read(ocnt)) != 0) {

		atomic_set(ocnt, 0);

		wmb();
@@ -1862,7 +1866,7 @@ void sun4v_resum_error(struct pt_regs *regs, unsigned long offset) 


	put_cpu();



	sun4v_log_error(&local_copy, cpu,

	sun4v_log_error(regs, &local_copy, cpu,

			KERN_ERR "RESUMABLE ERROR",

			&sun4v_resum_oflow_cnt);

}
@@ -1910,7 +1914,7 @@ void sun4v_nonresum_error(struct pt_regs *regs, unsigned long offset) 
	}

#endif



	sun4v_log_error(&local_copy, cpu,

	sun4v_log_error(regs, &local_copy, cpu,

			KERN_EMERG "NON-RESUMABLE ERROR",

			&sun4v_nonresum_oflow_cnt);
@@ -2200,7 +2204,6 @@ static inline struct reg_window *kernel_stack_up(struct reg_window *rw) 
void die_if_kernel(char *str, struct pt_regs *regs)

{

	static int die_counter;

	extern void __show_regs(struct pt_regs * regs);

	extern void smp_report_regs(void);

	int count = 0;